US3045412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Float seal for vacuum cleaners
Assignee: PREMIER Co
•
Filing: 1959-09-03
•
Granted: 1962-07-24
•
Expires: 1979-09-03
Abstract
No abstract record available.
Inventors
- 👤 Gordon L Bowman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:58
CPC Classifications
A; A47; A47L; A47L7/00; A47L7/0004; A47L7/0023; A47L7/0028; A47L7/0042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1249692A
Cited
US2219567A
Cited
US2242278A
Cited
US2649927A
Cited
US2656009A
Cited
US2703152A
Cited
US2773557A
Cited
US2742105A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |